from django.db import models

# Create your models here.


class User(models.Model):
    username = models.CharField(max_length=32)
    age = models.IntegerField()

    gender_choices = (
        (1, '男'),
        (2, '女'),
        (3, '其他'),
    )
    gender = models.IntegerField(choices=gender_choices)  # choices元祖里元祖的第一个值决定了字段的字段类型

    score_choices = (
        ('A', '优秀'),
        ('B', '良好'),
        ('C', '及格'),
        ('D', '不及格'),
    )
    score = models.CharField(max_length=3, choices=score_choices)
    """
    该gender字段存的还是数字 但是如果存的数字在上面元祖列举的范围之内
    那么可以轻松的获取到数字对应的真正内容
    """


class Book(models.Model):
    name = models.CharField(max_length=32)
    # authors = models.ManyToManyField(to='Author')  # 全自动 orm自动帮我们创建第三张表 缺点是没有办法添加额外字段

    authors = models.ManyToManyField(to='Author',
                                     through='Book2Author',
                                     through_fields=('book', 'author')
                                     )


class Author(models.Model):
    name = models.CharField(max_length=32)
    books = models.ManyToManyField(to='Book', through='Book2Author',
                                   through_fields=('author', 'book'))


class Book2Author(models.Model):
    book = models.ForeignKey(to='Book', on_delete=models.CASCADE)
    author = models.ForeignKey(to='Author', on_delete=models.CASCADE)


# from django.db import models
#
# # Create your models here.
# # rbac权限相关表格
#
#
# class User(models.Model):
#     name = models.CharField(max_length=32)
#     pwd = models.CharField(max_length=32)
#     roles = models.ManyToManyField(to='Role')
#
#     def __str__(self):
#         return self.name
#
#
# class Role(models.Model):
#     title = models.CharField(max_length=32)
#     permissions = models.ManyToManyField(to='Permission')
#
#     def __str__(self):
#         return self.title
#
#
# class Permission(models.Model):
#     title = models.CharField(max_length=32)
#     url = models.CharField(max_length=32)
#     code = models.CharField(max_length=32,default='list')
#
#     def __str__(self):
#         return self.title
#
#
# # CRM相关内部表
# class School(models.Model):
#     """
#     校区表
#     如：
#         北京沙河校区
#         上海校区
#
#     """
#     title = models.CharField(verbose_name='校区名称', max_length=32)
#
#     def __str__(self):
#         return self.title
#
#
# class Course(models.Model):
#     """
#     课程表
#     如：
#         Linux基础
#         Linux架构师
#         Python自动化开发精英班
#         Python自动化开发架构师班
#         Python基础班
#         go基础班
#     """
#     name = models.CharField(verbose_name='课程名称', max_length=32)
#
#     def __str__(self):
#         return self.name
#
#
# class Department(models.Model):
#     """
#     部门表
#     市场部     1000
#     销售       1001
#
#     """
#     title = models.CharField(verbose_name='部门名称', max_length=16)
#     code = models.IntegerField(verbose_name='部门编号', unique=True, null=False)
#
#     def __str__(self):
#         return self.title
#
#
# class UserInfo(models.Model):
#     """
#     员工表
#     """
#
#     name = models.CharField(verbose_name='员工姓名', max_length=16)
#     email = models.EmailField(verbose_name='邮箱', max_length=64)
#     depart = models.ForeignKey(verbose_name='部门', to="Department",to_field="code")
#     user=models.OneToOneField("User",default=1)
#     def __str__(self):
#         return self.name
#
#
# class ClassList(models.Model):
#     """
#     班级表
#     如：
#         Python全栈  面授班  5期  10000  2017-11-11  2018-5-11
#     """
#     school = models.ForeignKey(verbose_name='校区', to='School')
#     course = models.ForeignKey(verbose_name='课程名称', to='Course')
#     semester = models.IntegerField(verbose_name="班级(期)")
#
#     price = models.IntegerField(verbose_name="学费")
#     start_date = models.DateField(verbose_name="开班日期")
#     graduate_date = models.DateField(verbose_name="结业日期", null=True, blank=True)
#     memo = models.CharField(verbose_name='说明', max_length=256, blank=True, null=True, )
#
#     teachers = models.ManyToManyField(verbose_name='任课老师', to='UserInfo',limit_choices_to={'depart':1002})
#     tutor = models.ForeignKey(verbose_name='班主任', to='UserInfo',related_name="class_list",limit_choices_to={'depart':1006})
#
#     def __str__(self):
#         return "{0}({1}期)".format(self.course.name, self.semester)
#
#
# class Customer(models.Model):
#     """
#     客户表
#     """
#     qq = models.CharField(verbose_name='qq', max_length=64, unique=True, help_text='QQ号必须唯一')
#
#     name = models.CharField(verbose_name='学生姓名', max_length=16)
#     gender_choices = ((1, '男'), (2, '女'))
#     gender = models.SmallIntegerField(verbose_name='性别', choices=gender_choices)
#
#     education_choices = (
#         (1, '重点大学'),
#         (2, '普通本科'),
#         (3, '独立院校'),
#         (4, '民办本科'),
#         (5, '大专'),
#         (6, '民办专科'),
#         (7, '高中'),
#         (8, '其他')
#     )
#     education = models.IntegerField(verbose_name='学历', choices=education_choices, blank=True, null=True, )
#     graduation_school = models.CharField(verbose_name='毕业学校', max_length=64, blank=True, null=True)
#     major = models.CharField(verbose_name='所学专业', max_length=64, blank=True, null=True)
#
#     experience_choices = [
#         (1, '在校生'),
#         (2, '应届毕业'),
#         (3, '半年以内'),
#         (4, '半年至一年'),
#         (5, '一年至三年'),
#         (6, '三年至五年'),
#         (7, '五年以上'),
#     ]
#     experience = models.IntegerField(verbose_name='工作经验', blank=True, null=True, choices=experience_choices)
#     work_status_choices = [
#         (1, '在职'),
#         (2, '无业')
#     ]
#     work_status = models.IntegerField(verbose_name="职业状态", choices=work_status_choices, default=1, blank=True,
#                                       null=True)
#     company = models.CharField(verbose_name="目前就职公司", max_length=64, blank=True, null=True)
#     salary = models.CharField(verbose_name="当前薪资", max_length=64, blank=True, null=True)
#
#     source_choices = [
#         (1, "qq群"),
#         (2, "内部转介绍"),
#         (3, "官方网站"),
#         (4, "百度推广"),
#         (5, "360推广"),
#         (6, "搜狗推广"),
#         (7, "腾讯课堂"),
#         (8, "广点通"),
#         (9, "高校宣讲"),
#         (10, "渠道代理"),
#         (11, "51cto"),
#         (12, "智汇推"),
#         (13, "网盟"),
#         (14, "DSP"),
#         (15, "SEO"),
#         (16, "其它"),
#     ]
#     source = models.SmallIntegerField('客户来源', choices=source_choices, default=1)
#     referral_from = models.ForeignKey(
#         'self',
#         blank=True,
#         null=True,
#         verbose_name="转介绍自学员",
#         help_text="若此客户是转介绍自内部学员,请在此处选择内部学员姓名",
#         related_name="internal_referral"
#     )
#     course = models.ManyToManyField(verbose_name="咨询课程", to="Course")
#
#     status_choices = [
#         (1, "已报名"),
#         (2, "未报名")
#     ]
#     status = models.IntegerField(
#         verbose_name="状态",
#         choices=status_choices,
#         default=2,
#         help_text=u"选择客户此时的状态"
#     )
#
#     consultant = models.ForeignKey(verbose_name="课程顾问", to='UserInfo', related_name='consultanter',limit_choices_to={'depart':1001})
#
#     date = models.DateField(verbose_name="咨询日期", auto_now_add=True)
#     recv_date = models.DateField(verbose_name="当前课程顾问的接单日期", null=True)
#     last_consult_date = models.DateField(verbose_name="最后跟进日期", )
#
#     def __str__(self):
#         return self.name
#
#
# class ConsultRecord(models.Model):
#     """
#     客户跟进记录
#     """
#     customer = models.ForeignKey(verbose_name="所咨询客户", to='Customer')
#     consultant = models.ForeignKey(verbose_name="跟踪人", to='UserInfo',limit_choices_to={'depart':1001})
#     date = models.DateField(verbose_name="跟进日期", auto_now_add=True)
#     note = models.TextField(verbose_name="跟进内容...")
#
#     def __str__(self):
#         return self.customer.name + ":" + self.consultant.name
#
#
# class Student(models.Model):
#     """
#     学生表（已报名）
#     """
#     customer = models.OneToOneField(verbose_name='客户信息', to='Customer')
#     class_list = models.ManyToManyField(verbose_name="已报班级", to='ClassList', blank=True)
#
#     emergency_contract = models.CharField(max_length=32, blank=True, null=True, verbose_name='紧急联系人')
#     company = models.CharField(verbose_name='公司', max_length=128, blank=True, null=True)
#     location = models.CharField(max_length=64, verbose_name='所在区域', blank=True, null=True)
#     position = models.CharField(verbose_name='岗位', max_length=64, blank=True, null=True)
#     salary = models.IntegerField(verbose_name='薪资', blank=True, null=True)
#     welfare = models.CharField(verbose_name='福利', max_length=256, blank=True, null=True)
#     date = models.DateField(verbose_name='入职时间', help_text='格式yyyy-mm-dd', blank=True, null=True)
#     memo = models.CharField(verbose_name='备注', max_length=256, blank=True, null=True)
#
#     def __str__(self):
#         return self.customer.name
#
#
# class ClassStudyRecord(models.Model):
#     """
#     上课记录表 （班级记录）
#     """
#     class_obj = models.ForeignKey(verbose_name="班级", to="ClassList")
#     day_num = models.IntegerField(verbose_name="节次", help_text=u"此处填写第几节课或第几天课程...,必须为数字")
#     teacher = models.ForeignKey(verbose_name="讲师", to='UserInfo',limit_choices_to={'depart':1002})
#     date = models.DateField(verbose_name="上课日期", auto_now_add=True)
#
#     course_title = models.CharField(verbose_name='本节课程标题', max_length=64, blank=True, null=True)
#     course_memo = models.TextField(verbose_name='本节课程内容概要', blank=True, null=True)
#     has_homework = models.BooleanField(default=True, verbose_name="本节有作业")
#     homework_title = models.CharField(verbose_name='本节作业标题', max_length=64, blank=True, null=True)
#     homework_memo = models.TextField(verbose_name='作业描述', max_length=500, blank=True, null=True)
#     exam = models.TextField(verbose_name='踩分点', max_length=300, blank=True, null=True)
#
#     def __str__(self):
#         return "{0} day{1}".format(self.class_obj, self.day_num)
#
#
# class StudentStudyRecord(models.Model):
#     '''
#     学生学习记录
#     '''
#     classstudyrecord = models.ForeignKey(verbose_name="第几天课程", to="ClassStudyRecord")
#     student = models.ForeignKey(verbose_name="学员", to='Student')
#
#     record_choices = (('checked', "已签到"),
#                       ('vacate', "请假"),
#                       ('late', "迟到"),
#                       ('noshow', "缺勤"),
#                       ('leave_early', "早退"),
#                       )
#     record = models.CharField("上课纪录", choices=record_choices, default="checked", max_length=64)
#     score_choices = ((100, 'A+'),
#                      (90, 'A'),
#                      (85, 'B+'),
#                      (80, 'B'),
#                      (70, 'B-'),
#                      (60, 'C+'),
#                      (50, 'C'),
#                      (40, 'C-'),
#                      (0, ' D'),
#                      (-1, 'N/A'),
#                      (-100, 'COPY'),
#                      (-1000, 'FAIL'),
#                      )
#     score = models.IntegerField("本节成绩", choices=score_choices, default=-1)
#     homework_note = models.CharField(verbose_name='作业评语', max_length=255, blank=True, null=True)
#     note = models.CharField(verbose_name="备注", max_length=255, blank=True, null=True)
#
#     homework = models.FileField(verbose_name='作业文件', blank=True, null=True, default=None)
#     stu_memo = models.TextField(verbose_name='学员备注', blank=True, null=True)
#     date = models.DateTimeField(verbose_name='提交作业日期', auto_now_add=True)
#
#     def __str__(self):
#         return "{0}-{1}".format(self.classstudyrecord, self.student)
